From c3cfe53b661533401017e39d22022656fc7c74c5 Mon Sep 17 00:00:00 2001
From: Michael Gottesman <mgottesman@apple.com>
Date: Wed, 26 Jun 2013 23:17:31 +0000
Subject: In InstCombine{AddSub,MulDivRem} convert APFloat.isFiniteNonZero() &&
 !APFloat.isDenormal => APFloat.isNormal.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185037 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/InstCombine/InstCombineAddSub.cpp    | 2 +-
 lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'lib/Transforms/InstCombine')

diff --git a/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/lib/Transforms/InstCombine/InstCombineAddSub.cpp
index 8ba101d..ac7eac9 100644
--- a/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -488,7 +488,7 @@ Value *FAddCombine::performFactorization(Instruction *I) {
                       createFSub(AddSub0, AddSub1);
   if (ConstantFP *CFP = dyn_cast<ConstantFP>(NewAddSub)) {
     const APFloat &F = CFP->getValueAPF();
-    if (!F.isFiniteNonZero() || F.isDenormal())
+    if (!F.isNormal())
       return 0;
   }
 
diff --git a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
index 5c984ba..d0d4f41 100644
--- a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
+++ b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
@@ -344,7 +344,7 @@ static bool isFMulOrFDivWithConstant(Value *V) {
 
 static bool isNormalFp(const ConstantFP *C) {
   const APFloat &Flt = C->getValueAPF();
-  return Flt.isFiniteNonZero() && !Flt.isDenormal();
+  return Flt.isNormal();
 }
 
 /// foldFMulConst() is a helper routine of InstCombiner::visitFMul().
@@ -893,14 +893,14 @@ Instruction *InstCombiner::visitFDiv(BinaryOperator &I) {
         //
         Constant *C = ConstantExpr::getFDiv(C1, C2);
         const APFloat &F = cast<ConstantFP>(C)->getValueAPF();
-        if (F.isFiniteNonZero() && !F.isDenormal())
+        if (F.isNormal())
           Res = BinaryOperator::CreateFMul(X, C);
       } else if (match(Op0, m_FDiv(m_Value(X), m_ConstantFP(C1)))) {
         // (X/C1)/C2 => X /(C2*C1) [=> X * 1/(C2*C1) if reciprocal is allowed]
         //
         Constant *C = ConstantExpr::getFMul(C1, C2);
         const APFloat &F = cast<ConstantFP>(C)->getValueAPF();
-        if (F.isFiniteNonZero() && !F.isDenormal()) {
+        if (F.isNormal()) {
           Res = CvtFDivConstToReciprocal(X, cast<ConstantFP>(C),
                                          AllowReciprocal);
           if (!Res)
@@ -941,7 +941,7 @@ Instruction *InstCombiner::visitFDiv(BinaryOperator &I) {
 
     if (Fold) {
       const APFloat &FoldC = cast<ConstantFP>(Fold)->getValueAPF();
-      if (FoldC.isFiniteNonZero() && !FoldC.isDenormal()) {
+      if (FoldC.isNormal()) {
         Instruction *R = CreateDiv ?
                          BinaryOperator::CreateFDiv(Fold, X) :
                          BinaryOperator::CreateFMul(X, Fold);
-- 
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